Troubleshooting - Eaton 1000L User Manual

If the UPS system does not operate correctly, please attempt to solve the problem using the table

below.

Problem

No indication, no warning

tone even though system

is connected to mains

power supply

LINE LED blinks

LINE-LED blinks and

BATTERY-LED lights up

LINE and BYPASS LED

light up even though the

power supply is available

INVERTER LED lights

up, warning tone at

intervals (every 1 or 4

seconds)

FAULT LED lights,

warning tone once a

second

FAULT-LED lights up,

permanent warning tone

Emergency supply

period shorter than

nominal value

Please have the following information at hand before calling the After-Sales Service Department:

1. Model number, serial number

2. Date on which the problem occurred

3. Detailed description of the problem

Possible cause

No input voltage

Phase and neutral

conductor at input of UPS

system are reversed

Input power and/or

frequency are out of

tolerance

Inverter not switched on

Mains power supply has

failed

Overload

UPS-mistake

Batteries not fully charged /

batteries defective

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Remedy

Check building wiring socket outlet,

check input cable

Connect UPS system according to

chapter 4

Check input power source and inform

dealer if necessary

Press On button " I "

Not necessary, battery operation;

warning tone at intervals of 1 second

means battery is almost empty

Reduce number of users at UPS

output

Notify dealer !!

Charge the batteries for at least 1 - 2

hours. Check capacity. If the problem

still persists, consult your dealer